CN106280320A - A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) and preparation method thereof - Google Patents
A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) and preparation method thereof Download PDFInfo
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- CN106280320A CN106280320A CN201610789356.7A CN201610789356A CN106280320A CN 106280320 A CN106280320 A CN 106280320A CN 201610789356 A CN201610789356 A CN 201610789356A CN 106280320 A CN106280320 A CN 106280320A
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- pbt
- polybutylene terephthalate
- low warpage
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- highlight antiflaming
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) and preparation method thereof, its be polybutylene terephthalate (PBT) 48 58% by weight percentage, filling modifying agent 12 15%, elastic body toughening agent 3 8%, coupling agent 0.2 5%, antioxidant 0.2 1%, lubricant 0.5 1.5%, bromide fire retardant 10 11%, antimony powder 3 3.5%, anti-dripping agent 0.1 0.3%, glass 10 15% through mixed processing, melt extrude, pelletize and post-treating and other steps are prepared from.Low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention has wear-out life length, all can keep higher dimensionally stable, chemical-resistance excellence, high performance-price ratio at different conditions, has low warpage, product surface light characteristic, can be widely used in make appearance requirement higher expose product.
Description
Technical field
The invention belongs to macromolecular material and processing technique field thereof, be specifically related to a kind of low warpage highlight antiflaming poly-to benzene
Dioctyl phthalate butanediol ester and preparation method thereof.
Background technology
Polybutylene terephthalate (PBT) is thermoplastic polyester, is topmost kind in thermoplastic polyester, often applies
In household electrical appliances accessory.It is the condensation polymer of p-phthalic acid and butanediol, is referred to as thermoplastic polyester together with PET, or saturated poly-
Ester.
PBT is that milky is translucent to opaque, crystalline thermoplastic polyester, has high-fire resistance, toughness, endurance
Property, self-lubricating, low-friction coefficient, weatherability, water absorption rate are low, and only 0.1%, wet environment still keeps various physical property (bag
Include electrical property), electrical insulating property, but dielectric loss is big, heat-proof water, bases, acids, oils but easily corroded by halogenated hydrocarbon, hydrolysis
Property is poor, can crystallize rapidly, good forming ability under low temperature.PBT crystallization rate is fast, and optimum processing method is injection, additive method
Also extruding, be blow molded, coat and various secondary operations molding, need predrying before molding, moisture to be down to 0.02%.PBT
(enhancing, modified PBT) is mainly used in automobile, electronic apparatus, industrial machinery and polymer alloy, industry is blended.
Existing polybutylene terephthalate is poor owing to there is size instability, chemical-resistance and anti-wear performance,
The application demand exposing product can not be met.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of low warpage highlight antiflaming poly-to benzene two
Formic acid butanediol ester, has wear-out life length, higher dimensionally stable, chemical-resistance all can be kept excellent at different conditions
Different, high performance-price ratio, there is low warpage, the characteristic of product surface light, can be widely used in making higher the exposing of appearance requirement
Product.
Another object of the present invention is to provide the system of an a kind of low warpage highlight antiflaming polybutylene terephthalate (PBT)
Preparation Method, obtains a kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) material by this preparation method.
For solving the problems referred to above, the technical solution adopted in the present invention is as follows:
A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT), it is following raw material system by weight percentage
For forming:
Polybutylene terephthalate (PBT) 48-58%；
Filling modifying agent 12-15%；
Elastic body toughening agent 3-8%；
Coupling agent 0.2-5%；
Antioxidant 0.2-1%；
Lubricant 0.5-1.5%；
Bromide fire retardant 10-11%；
Antimony powder 3-3.5%；
Anti-dripping agent 0.1-0.3%；
Glass 10-15%.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
State filling modifying agent one or more mixing in the micro-stone of silicon, wollastonite, glass microballoon.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
State elastic body toughening agent selected from POE grafted maleic anhydride, ethylene-methyl acrylate-glyceryl methacrylate, ethylene-
One or more mixing in butyl acrylate-glycidyl methacrylate.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
State coupling agent one or more mixing in silane coupler, amino silicane coupling agent, epoxy silane coupling.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating antioxidant is that phenolic antioxidant 1010 and phosphoric acid ester irgasfos 168 form according to the ratio that weight ratio is 1:1 is compounding.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating lubricant is one or more mixing in vinyl bis-stearamides, PETS, PE wax or silicone powder.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating bromide fire retardant is one or more mixing in brominated epoxy, brominated Polystyrene, TDE.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating antimony powder is antimony oxide, and described glass is Mount Taishan glass.
The preparation method of a kind of low warpage highlight antiflaming polybutylene terephthalate (PBT), this preparation method includes following step
Rapid:
1) mixed processing: dried by polybutylene terephthalate (PBT) according to formula ratio, controls moisture below 0.05%；
Then by itself and coupling agent addition high speed mixer stir, filling, antioxidant, fire retardant, elastic body toughening agent, lubrication are added
Agent mixes, and makes each component be sufficiently stirred for being uniformly dispersed, obtains compound；
2) melt extrude: above-mentioned compound is added in double screw extruder and melt extrudes；
3) pelletize and post processing: to the material of extrusion is cooled down, air-dried, pelletizing is packed and i.e. be can get finished product.
In the preparation method of low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further
Scheme, step 2) when melt extruding, extrusion temperature is 200-250 DEG C, and screw speed is 300-100r/min.
Compared to existing technology, the beneficial effects of the present invention is:
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most of the present invention is the lowest stick up good with fire protecting performance,
And product surface is bright, it is not necessary to spray paint and carry out surface modification, greatly reduce production cost, can extensively apply with various outside
What sight requirement was higher exposes product；
Low warpage highlight antiflaming polybutylene terephthalate (PBT) not only warpage the most of the present invention is low, fire protecting performance
Good, material surface brighting, and also cost performance is high, size is highly stable, wear away low (wear-out life length), chemical-resistance excellent,
The most especially can keep the highest dimensionally stable and relatively low linear expansion coefficient life-time service under high/low temperature；
Preparation method the most of the present invention is simple to operation, it is simple to promotion and application.
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
Detailed description of the invention
One of the present invention low warpage highlight antiflaming polybutylene terephthalate (PBT), it is by weight percentage
Following raw material be prepared from:
Polybutylene terephthalate (PBT) 48-58%；
Filling modifying agent 12-15%；
Elastic body toughening agent 3-8%；
Coupling agent 0.2-5%；
Antioxidant 0.2-1%；
Lubricant 0.5-1.5%；
Bromide fire retardant 10-11%；
Antimony powder 3-3.5%；
Anti-dripping agent 0.1-0.3%；
Glass 10-15%.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
State filling modifying agent one or more mixing in the micro-stone of silicon, wollastonite, glass microballoon.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
State elastic body toughening agent selected from POE grafted maleic anhydride, ethylene-methyl acrylate-glyceryl methacrylate, ethylene-
One or more mixing in butyl acrylate-glycidyl methacrylate.Preferably, wherein ethylene-acrylic acid
Methyl ester-glycidyl methacrylate be Arkema produce the ethylene-methyl acrylate that product type is AX8900-
Glycidyl methacrylate；Ethylene-butyl acrylate-glycidyl methacrylate is the product that E.I.Du Pont Company produces
Model is the Ethylene-butyl acrylate-glycidyl methacrylate of PTW.
In the course of processing of macromolecular material, coupling agent can improve synthetic resin and inorganic filler or reinforcing material
Interface performance, reduce the viscosity of molten synthetic resin, improve the dispersion of filler to improve processing characteristics, and then make goods
Obtain good surface quality and machinery, heat and electrical property.Low warpage highlight antiflaming poly terephthalic acid fourth of the present invention
In diol ester, as further scheme, described coupling agent is selected from silane coupler, amino silicane coupling agent, epoxy radicals silicone hydride
One or more mixing in coupling agent.
In the course of processing of macromolecular material, antioxidant can delay or suppress the carrying out of polymer oxidizing process, thus
Stop the aging of polymer and extend its service life；But the selection of the kind of antioxidant and consumption can be to the mechanicalnesses of material
Can impact with processing characteristics.In order to meet the needs of materials'use, low warpage highlight antiflaming of the present invention is poly-to benzene
In dioctyl phthalate butanediol ester, as further scheme, described antioxidant is phenolic antioxidant 1010 and phosphoric acid ester antioxidant
168 form according to the ratio that weight ratio is 1:1 is compounding.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating lubricant is one or more mixing in vinyl bis-stearamides, PETS, PE wax or silicone powder.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating bromide fire retardant is one or more mixing in brominated epoxy, brominated Polystyrene, TDE.
In low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further scheme, institute
Stating antimony powder is antimony oxide, and described glass is Mount Taishan glass.
The preparation method of a kind of low warpage highlight antiflaming polybutylene terephthalate (PBT), this preparation method includes following step
Rapid:
1) mixed processing: dried by polybutylene terephthalate (PBT) according to formula ratio, controls moisture below 0.05%；
Then by itself and coupling agent addition high speed mixer stir, filling, antioxidant, fire retardant, elastic body toughening agent, lubrication are added
Agent mixes, and makes each component be sufficiently stirred for being uniformly dispersed, obtains compound；
2) melt extrude: above-mentioned compound is added in double screw extruder and melt extrudes；
3) pelletize and post processing: to the material of extrusion is cooled down, air-dried, pelletizing is packed and i.e. be can get finished product.
In the preparation method of low warpage highlight antiflaming polybutylene terephthalate (PBT) of the present invention, as further
Scheme, step 2) when melt extruding, extrusion temperature is 200-250 DEG C, and screw speed is 300-100r/min.
The following is some embodiments of the present invention, raw material and equipment employed in subordinate's embodiment all can pass through
Commercial channel obtains.
Embodiment 1-embodiment 3
A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT), is prepared by the following method and forms:
1) mixed processing: dried by polybutylene terephthalate (PBT) by the formula ratio of table photograph 1, controls moisture 0.05%
Below；Then by itself and coupling agent addition high speed mixer stir, filling, antioxidant, fire retardant, elastic body toughening are added
Agent, mix lubricant, make each component be sufficiently stirred for being uniformly dispersed, obtain compound；
2) melt extrude: being added in double screw extruder by above-mentioned compound and melt extrude, wherein extrusion temperature is 200-
250 DEG C, screw speed is 300-100r/min；
3) pelletize and post processing: the material of extrusion is cooled down, air-dried, pelletizing is packed and i.e. be can get finished product.
Table 1: the composition of raw materials of embodiment-embodiment 3
Performance detects
Low warpage highlight antiflaming polybutylene terephthalate (PBT) obtained by above-described embodiment 1-3 is carried out performance survey
Examination, performance test project and result see table 2.
Table 2
It can be seen that the polybutylene terephthalate (PBT) material property prepared of the present invention is good from the result of table 2, and
And cost performance is high.Additionally, injection-molded item warpage is little, and surface-brightening.In sum, the poly terephthalic acid that prepared by the present invention
Butanediol ester energy dimensionally stable is good, and goods warpage is low and surface-brightening is without floating fibre, good mechanical properties, and cost performance is high.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit the scope of protection of the invention with this,
The change of any unsubstantiality that those skilled in the art is done on the basis of the present invention and replacement belong to institute of the present invention
Claimed scope.
Claims (10)
1. one kind low warpage highlight antiflaming polybutylene terephthalate (PBT), it is characterised in that it is by weight percentage
Following raw material is prepared from:
Polybutylene terephthalate (PBT) 48-58%；
Filling modifying agent 12-15%；
Elastic body toughening agent 3-8%；
Coupling agent 0.2-5%；
Antioxidant 0.2-1%；
Lubricant 0.5-1.5%；
Bromide fire retardant 10-11%；
Antimony powder 3-3.5%；
Anti-dripping agent 0.1-0.3%；
Glass 10-15%.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described in fill out
Fill modifying agent one or more mixing in the micro-stone of silicon, wollastonite, glass microballoon.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described bullet
Gonosome toughener is selected from POE grafted maleic anhydride, ethylene-methyl acrylate-glyceryl methacrylate, ethylene-propylene
One or more mixing in acid butyl ester-glycidyl methacrylate.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 2, it is characterised in that described idol
Connection agent one or more mixing in silane coupler, amino silicane coupling agent, epoxy silane coupling.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described anti-
Oxygen agent is that phenolic antioxidant 1010 and phosphoric acid ester irgasfos 168 form according to the ratio that weight ratio is 1:1 is compounding.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described profit
Lubrication prescription is one or more mixing in vinyl bis-stearamides, PETS, PE wax or silicone powder.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described bromine
Flame retardant is one or more mixing in brominated epoxy, brominated Polystyrene, TDE.
Low warpage highlight antiflaming polybutylene terephthalate (PBT) the most according to claim 1, it is characterised in that described antimony
Powder is antimony oxide, and described glass is Mount Taishan glass.
9. a preparation method for low warpage highlight antiflaming polybutylene terephthalate (PBT) as claimed in claim 1, it is special
Levying and be, this preparation method comprises the following steps:
1) mixed processing: dried by polybutylene terephthalate (PBT) according to formula ratio, controls moisture below 0.05%；Then
Itself and coupling agent add stirring in high speed mixer, and addition filling, antioxidant, fire retardant, elastic body toughening agent, lubricant mix
Close, make each component be sufficiently stirred for being uniformly dispersed, obtain compound；
2) melt extrude: above-mentioned compound is added in double screw extruder and melt extrudes；
3) pelletize and post processing: to the material of extrusion is cooled down, air-dried, pelletizing is packed and i.e. be can get finished product.
Preparation method the most according to claim 9, it is characterised in that step 2) when melt extruding, extrusion temperature is 200-
250 DEG C, screw speed is 300-100r/min.
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Cited By (4)
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| CN109438933A (en) * | 2018-11-09 | 2019-03-08 | 四川长虹电器股份有限公司 | Modified enhancing flame-retardant PBT material and preparation method thereof |
| CN111154241A (en) * | 2020-02-14 | 2020-05-15 | 中广核瑞胜发（厦门）新材料有限公司 | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN114106530A (en) * | 2022-01-26 | 2022-03-01 | 广东顺德顺炎新材料股份有限公司 | High CTI value halogen-free flame-retardant reinforced PET modified engineering plastic and preparation method and application thereof |
| CN115612259A (en) * | 2022-10-10 | 2023-01-17 | 金发科技股份有限公司 | Easily-sprayed and low-warpage PBT (polybutylene terephthalate) composition and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438933A (en) * | 2018-11-09 | 2019-03-08 | 四川长虹电器股份有限公司 | Modified enhancing flame-retardant PBT material and preparation method thereof |
| CN111154241A (en) * | 2020-02-14 | 2020-05-15 | 中广核瑞胜发（厦门）新材料有限公司 | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN114106530A (en) * | 2022-01-26 | 2022-03-01 | 广东顺德顺炎新材料股份有限公司 | High CTI value halogen-free flame-retardant reinforced PET modified engineering plastic and preparation method and application thereof |
| CN114106530B (en) * | 2022-01-26 | 2022-04-08 | 广东顺德顺炎新材料股份有限公司 | High CTI value halogen-free flame-retardant reinforced PET modified engineering plastic and preparation method and application thereof |
| CN115612259A (en) * | 2022-10-10 | 2023-01-17 | 金发科技股份有限公司 | Easily-sprayed and low-warpage PBT (polybutylene terephthalate) composition and preparation method thereof |
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| CN106280320B (en) | 2020-11-06 |
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